package org.zxp.vcode;

import java.math.BigDecimal;
import java.util.*;
import java.util.stream.Collectors;

/**
 * @program: effectiveJava
 * @description:
 * @author: X-Pacific zhang
 * @create: 2020-03-30 15:46
 **/
public class VCodeTest {
    public static void main(String[] args) {
        long b = System.currentTimeMillis();
        Random random = new Random();
        String result="";
        for(int i=0;i<6;i++){
            result+=random.nextInt(10);
        }
        long e = System.currentTimeMillis();

        System.out.print(e-b);

        System.out.println(result);



    }
}
